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Injection Mold

a technology of injection molds and insert components, which is applied in the field of injection molds, can solve the problems of increasing the structure of electronic products, and the difficulty of people finding the position of insert components in injection molds steadily,

Inactive Publication Date: 2011-12-01
CHENG UEI PRECISION IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006]As described above, the injection mold are provided with the first positioning rods and the second positioning rods. The plural terminals are arranged side by side and positioned by the first connecting strip and the second connecting strip. The free ends of the first positioning rods pass through the installing holes of the first connecting strip. The free ends of the second positioning rods pass through the fixing holes of the second connecting strip. The holding slots respectively restrain the terminals. Thus the terminal unit is fixed in the injection mold firmly, which is effective to prevent the terminals from moving and deforming in the molding process.

Problems solved by technology

Secondly, the thermoplastic resin is injected into the injection mold.
However, as the electronic products develop towards the multifunction and miniaturization, the structure of the electronic products are getting more and more complicated.
As a result, it's difficult for people to locate the position of the insert component in the injection mold steadily for preventing from the movement and the deformation of the insert component in the molding process.

Method used

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Embodiment Construction

[0014]Referring to the drawings in greater detail, and refer to FIGS. 1-2, the embodiment of the invention is shown in an injection mold 100. The injection mold 100 includes an upper mold half 10, a lower mold half 20 coupled with the upper mold half 10, a plurality of sliding elements 30 mounted to the lower mold half 20, and a pair of first and second positioning rods 41, 42 mounted to the lower mold half 20. The upper mold half 10, the lower mold half 20 and the sliding elements 30 cooperatively surround a molding chamber (not shown).

[0015]With reference to FIGS. 2-3, the lower mold half 20 comprises a base plate 21, a positioning plate 22, a holding plate 23, a partition 24, a fixing plate 25 and two lateral plates 26. The base plate 21 is substantially square shape. A top of the base plate 21 has an opening 211 at a middle portion thereof. The opening 211 has a bottom formed with a notch 212 at a middle portion thereof. The rectangular positioning plate 22 is attached to a rear...

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Abstract

An injection mold has a lower mold half having a chamber at a top thereof. A holding plate has a top within the chamber formed with a plurality of holding slots. The holding slots extend frontward and rearward. A positioning plate is attached to a front surface of the holding plate, an upper portion of which within the chamber has a plurality of positioning holes at a front surface thereof. A fixing plate disposed rearward of the holding plate has a plurality of through holes at a top thereof. A plurality of first positioning rods is mounted to the installing holes, each of which defines a free end extending beyond the top of the fixing plate. A free end of each of a plurality of second positioning rods is capable of inserting into the positioning hole. An upper mold half is engaged with the lower mold half.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to an injection mold, and particularly to an injection mold with an insert component.[0003]2. The Related Art[0004]Generally, a conventional process of an insert molding includes following steps. Firstly, an insert component is mounted in an injection mold. Secondly, the thermoplastic resin is injected into the injection mold. Thirdly, the thermoplastic resin and the insert component are integrally molded and cooled to form a plastic product. Herein, the location of the insert component in the injection mold is very important during the insert molding for preventing from non-conform products. However, as the electronic products develop towards the multifunction and miniaturization, the structure of the electronic products are getting more and more complicated. Accordingly, the volume of the insert component mounted to the injection mold for molding an insulating portion of the electronic pr...

Claims

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Application Information

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IPC IPC(8): B29C45/80
CPCB29C45/14065B29L2031/3061B29C2045/14147B29C2045/14131
Inventor WU, XIAOPINGZHAO, XUXUHO, SHIH-HSIUNG
Owner CHENG UEI PRECISION IND CO LTD